CT™ Economy Knee Boots, Plain Toe, Size 8, 16 in H, PVC, Black ORS NASCO High quality Grade R single line High quality Grade R single line welding hoses Grade R welding hoses are designed for carrying acetylene or oxygen to welding equipment Green hose carries oxygen to welding equipment Red hose carries acetylene Hose cover resists oils Cradle Technology™ uniformly contouring to patella allowing knee and knee pad to work as one unit EVA foam padding for comfort and cushioning Wide flexible PVC cap provides broad area of protection fertilizers and animal waste Flexible and durable upper allows for ease in movement for greater work comfort Removable FOOT FORM™ contour cushion insoles provide all day comfort and support Reinforced construction at critical stress points provides a durable and long wearing boot PVC injection molded footwear is 100% waterproof to ensure workers' feet are dry and comfortable PVC formulation is resistant to degradation from agricultural chemicals